Backlight unit and display device including the same
US11493802B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2021 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Dec 16, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device including a display panel, and a backlight unit configured to provide light to the display panel are discussed. The backlight unit can include a light emitting section including a plurality of light emitting devices disposed on a substrate, and a light source protection layer disposed on the plurality of light emitting devices, a light conversion sheet having a plurality of light conversion patterns disposed in positions corresponding to the plurality of light emitting devices, respectively, a phosphor film disposed on the light conversion sheet, and at least one reflector including a plurality of holes on the substrate. An air gap is disposed between a top surface of the at least one reflector and a bottom surface of the light conversion sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.